/*-----------------------------------------------------------------------/
/  Low level disk interface modlue include file   (C)ChaN, 2019          /
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#include "ffconf.h"
#include "ff.h"

/* Status of Disk Functions */
typedef BYTE DSTATUS;

/* Results of Disk Functions */
typedef enum {
    RES_OK = 0, /* 0: Successful */
    RES_ERROR,  /* 1: R/W Error */
    RES_WRPRT,  /* 2: Write Protected */
    RES_NOTRDY, /* 3: Not Ready */
    RES_PARERR  /* 4: Invalid Parameter */
} DRESULT;

/******************user code****************************/

/* Definitions of physical drive number for each drive
   It must be in the same order as FF_VOLUME_STRS in ffconf.h */
#define DEV_RAM     0 /* Example: Map Ramdisk to physical drive 0 */
#define DEV_FLASH   1 /* Example: Map Flash to physical drive 1 */
#define DEV_SD      2 /* Example: Map MMC/SD card to physical drive 2 */
#define DEV_SD2     3
#define DEV_USB     4
#define DEV_NUM_MAX 5

typedef struct
{
    int (*disk_status)(void);
    int (*disk_initialize)(void);
    int (*disk_read)(BYTE *buff, LBA_t sector, UINT count);
    int (*disk_write)(const BYTE *buff, LBA_t sector, UINT count);
    int (*disk_ioctl)(BYTE cmd, void *buff);
    DSTATUS(*error_code_parsing)
    (int result);

} FATFS_DiskioDriverTypeDef;

extern FATFS_DiskioDriverTypeDef pDiskioDriver[];

void disk_driver_callback_init(uint8_t pdrv, FATFS_DiskioDriverTypeDef *pNewDriver);
/******************user code****************************/

/*---------------------------------------*/
/* Prototypes for disk control functions */

DSTATUS disk_initialize(BYTE pdrv);
DSTATUS disk_status(BYTE pdrv);
DRESULT disk_read(BYTE pdrv, BYTE *buff, LBA_t sector, UINT count);
DRESULT disk_write(BYTE pdrv, const BYTE *buff, LBA_t sector, UINT count);
DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff);

/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT  0x01 /* Drive not initialized */
#define STA_NODISK  0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */

/* Command code for disk_ioctrl fucntion */

/* Generic command (Used by FatFs) */
#define CTRL_SYNC        0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE  2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE   3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM        4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */

/* Generic command (Not used by FatFs) */
#define CTRL_POWER  5 /* Get/Set power status */
#define CTRL_LOCK   6 /* Lock/Unlock media removal */
#define CTRL_EJECT  7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */

/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE   10 /* Get card type */
#define MMC_GET_CSD    11 /* Get CSD */
#define MMC_GET_CID    12 /* Get CID */
#define MMC_GET_OCR    13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ     55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE    56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE    57 /* Masked write data to SD iSDIO register */

/* ATA/CF specific ioctl command */
#define ATA_GET_REV   20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN    22 /* Get serial number */

#ifdef __cplusplus
}
#endif

#endif
